Author： Kabilan A.P. Caroline P. Elizabeth Christina X. Susan
Publisher： Inderscience Publishers
ISSN： 1470-949X
Source： International Journal of Mobile Communications, Vol.7, Iss.6, 2009-05, pp. : 683-694
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Abstract
The design and simulation of a Micro Electro Mechanical Systems (MEMS)-based Optical Signal Processing (OSP) beam former for cellular network base stations are reported in this paper. The modulated optical signal destined for a mobile terminal is split into eight equal-intensity signals. Each signal is weighted by controlling the phase and amplitude using a pair of micromirrors driven by electrostatic comb drive actuators. The processed optical signal is heterodyned with a phase-locked local optical signal. The resulting weighted microwave signal is then fed to the corresponding element of the 1 × 8 antenna array. The radiation patterns of the proposed multibeam-forming network are simulated using MATLAB and SIMULINK.
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